Space News & Blog Articles

The Big Dipper twists around fast near the zenith, Arcturus almost claims the zenith, the Coma Star Cluster not far away can't quite hide, and T Cor Bor simmers ominously dim.

New research may have revived the mystery of 8 Ursae Minoris b, a seemingly doomed exoplanet that shouldn’t exist.

Galileo was one of the first people to study the Moon through a telescope. You'd think he'd get more than 10-mile-wide crater for his efforts. But of course, there's more to the story.

A new JWST study has found evidence of two galaxies colliding 740 million years after the Big Bang.

This oddly shaped cloud of dusty gas is shaped by the winds and radiation from nearby stars.

This week the Moon occults Beta Virginis, then Antares. The last star of the Summer Triangle finally rises before bedtime. On the other side of the sky, the Arch of Spring sinks low.

A new planet candidate discovered in data from NASA's TESS mission could be an extreme lavaworld, pushed and pulled by the gravity of its own star and two other close-in planets.

This large constellation abounds in deep-sky delights, including many fine open star clusters.

An extreme (G5) geomagnetic storm hit Earth last weekend, delighting viewers as far south as Florida with green and red curtains of light.

A severe geomagnetic storm has just hit Earth — which means we could see auroras tonight! Here's what you'll need to know.

The waxing Moon this week travels eastward from the horns of Taurus past the heads of Gemini, the Beehive in Cancer, then the forefoot of Leo on its way to occulting Beta Virginis.

A new visualization from NASA takes the viewer on a one-way journey into a black hole.

Are you excited about Comet Tsuchinshan-ATLAS's prospects for a bright appearance this autumn? Guess what? It's already gorgeous.

Is GRB 191019A a typical burst of gamma rays from a dying star, an anomalously long burst from colliding objects, or something else entirely?

Many people travel to broaden their horizons; there's no broader horizon than the cosmos.

This week in the moonless dark, the Summer Triangle appears over the eastern treetops star by star. Leo walks down toward the west. And the Sombrero Galaxy positions itself ideally on the south meridian for your telescope.

China’s ambitious Chang’e 6 mission will attempt to return a sample from the lunar farside.

Alkaid is the end star of the Big Dipper's handle, a bright-blue example of a nearby B-type star.

You might be tempted to sleep through this annual shower but then you'd miss seeing some of the fastest meteors around. Not to mention their parent is the most famous comet of all.

High above you on May evenings is an one obvious star pattern that just about everyone knows: the Big Dipper. This “Swiss Army Knife of the sky” can help you find many other key springtime stars and constellations. Just download or stream this month’s Sky Tour podcast.

New time-lapse videos from the Chandra X-ray Observatory show the Crab Nebula and the Cassiopeia A supernova remnant over more than 20 years.